The OSUB One kit supports VW/TC mode and max output power can up to 50w that ensures both the good taste and massive cloud of vapor. It comes with 2200mah built-in battery capacity and it will provide you long-time vaping. The 510 drip tip will bring increased airflow and provide you with powerful draw effects. With inside tank design, it is very easy to operation. The tank features top airflow control and top filling system. Innovative design of the tank is embedded in the mod is so surprised, which makes you to be the conspicuous one. This kit also supports firmware upgradeable with a Micro-usb port so that you can keep up with vaping evolution.